Electrical instrument



FIG. 1 is a perspective view of an electrical instrument showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken line representations of portions of the electrical instrument in FIGS. 1-6 are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an electrical instrument, as shown and described. 